Abstract

The paper deals with integration of distributed fragmented collections of data, being the basis for virtual repositories in the data grid or P2P architecture. The core of the described architecture is based on the Stack-Based Query Language (SBQL) and virtual updateable SBQL views. Our virtual repository transparently integrates distributed, heterogeneous and fragmented data producing conceptually and semantically coherent result. In the background the system is based on the P2P architecture. We provide three examples of data integration procedures, for either horizontal and vertical fragmentation. The procedures are implemented under the integrator prototype.

This work is supported by European Commission under the 6th FP project e-Gov Bus, IST-4-026727-ST.

This work has been supported by European Social Fund and Polish State in the frame of “Mechanizm WIDDOK” programme (contract number Z/2.10/II/2.6/04/05/U/2/06).